Shear Bond Strength of Three Orthodontic Bonding Systems on Enamel and Restorative Materials

Table 3

The Kruskal–Wallis test showed highly significant to nonsignificant differences in shear bond strength (SBS) and adhesive remnant index (ARI) in the three groups.

Surface material		SBS	ARI
Enamel	Chi-square test	18.512	11.686
	Df	2	2
	Asymptotic significance	0.000	0.003
SR Adoro	Chi-square test	0.281	1.636
	Df	2	2
	Asymptotic significance	0.869	0.441
Filtek Supreme XTE	Chi-square test	20.847	14.017
	Df	2	2
	Asymptotic significance	0.000	0.001
Wisil	Chi-square test	6.970	6.444
	Df	2	2
	Asymptotic significance	0.031	0.040
Dispersalloy	Chi-square test	9.223	6.691
	Df	2	2
	Asymptotic significance	0.010	0.035
Herador	Chi-square test	3.583	8.561
	Df	2	2
	Asymptotic significance	0.167	0.014
e.max Press	Chi-square test	23.086	11.600
	Df	2	2
	Asymptotic significance	0.000	0.003
ZirCAD	Chi-square test	16.423	15.612
	Df	2	2
	Asymptotic significance	0.000	0.000
Mark II	Chi-square test	9.762	19.815
	Df	2	2
	Asymptotic significance	0.008	0.000

Df: degrees of freedom (statistics).